Re: [Xen-devel] State of gdbsx in xen-4.0-testing.hg and debugger documentation.

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Wed, Jun 30, 2010 at 10:16:10PM -0700, Bruce Edge wrote:
> Can one build a usable gdbsx from xen-4.0-testing.hg?

CC-ing the author - Mukesh.
> 
> Actually a more relevant is, is this still the preferred mechanism for domU
> kernel debugging?
> 
> The documentation on building it is a bit out of date and conflicting.
> 
> This post http://blog.xen.org/index.php/2009/10/21/debugging-on-xen/
> States that one needs to use this repo:
> http://xenbits.xensource.com/ext/debuggers.hg
> 
> Which looks like hasn't been updated since 4.0 was released as it's still
> referencing 4.0-rc
> 
> 0 %> hg clone http://xenbits.xensource.com/ext/debuggers.hg
> 
> destination directory: debuggers.hg
> requesting all changes
> adding changesets
> adding manifests
> adding file changes
> added 20375 changesets with 117688 changes to 11049 files (+1 heads)
> updating working directory
> .hgtags@809b20f066fb, line 39: tag '4.0.0-rc1' refers to unknown node
> .hgtags@809b20f066fb, line 40: tag '4.0.0-rc2' refers to unknown node
> .hgtags@809b20f066fb, line 41: tag '4.0.0-rc3' refers to unknown node
> .hgtags@809b20f066fb, line 42: tag '4.0.0-rc4' refers to unknown node
> .hgtags@809b20f066fb, line 43: tag '4.0.0-rc5' refers to unknown node
> .hgtags@809b20f066fb, line 44: tag '4.0.0-rc6' refers to unknown node
> 3164 files updated, 0 files merged, 0 files removed, 0 files unresolved
> 
> This post: http://zhigang.org/wiki/XenDebugging#xend-debugging
> refers to magically generated Oracle images with no information on how they
> were created or what sources to use.
> 
> Other posts state that gdbsx has been integrated into xen-unstable.hg.
> Does that mean all that's needed to build a debug enabled xen image is:
> 
> (cd tools/debugger/gdb && ./gdbbuild ) ;
> make kdb=y gdbsx=y && make dist
> 
> Thanks
> 
> -Bruce

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